U2 did a credit card entry paperless ticket for their last two tours. It deterred scalpers. There were a few hiccups, but for the most part it worked. Whoever bought the tickets had to use that credit card to get in.

I'm confused...450 a ticket? Where is that, because in PA they are 45 general admission

I'm confused... 450 a ticket? Where is that, because in PA they are 45 general admission